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LI-189

Quantum/Radiometer/Photometer

Operating Manual

Publication Number 9003-61

March, 1990

LI-COR, Inc.

P.O. Box 4425/4421 Superior Street

Lincoln, Nebraska 68504

Phone: (402) 467-3576

FAX: (402) 467-2819

Toll-free 1-800-447-3576 (U.S. & Canada)

Содержание Li-189

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Страница 2: ...adiometer Photometer Operating Manual Publication Number 9003 61 March 1990 LI COR Inc P O Box 4425 4421 Superior Street Lincoln Nebraska 68504 Phone 402 467 3576 FAX 402 467 2819 Toll free 1 800 447...

Страница 3: ...COR MAKES NO WARRANTY OF ANY KIND WITH REGARD TO THIS MATERIAL INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MER CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE LI COR shall not be liable...

Страница 4: ...on 4 1 2 Sensors 4 1 3 Accessories 5 Section 2 Operation 2 1 Using the Keypad 7 2 2 Sensor Calibration 9 2 3 Configuring the LI 189 12 2 4 Converting Units 14 2 5 Changing Default Power Up Units 15 2...

Страница 5: ...r irradiance W m 2 1 2 Sensors The LI 189 is compatible with all LI COR type SA radia tion sensors which utilize a BNC connector LI COR type SB radiation sensors are also compatible if the Calconnecto...

Страница 6: ...ern ing the immersion effect and cosine collecting properties of underwater sensors is also available Roemer Hoagland report 1 3 Accessories The following accessories are available for the LI 189 Cont...

Страница 7: ...LI COR terrestrial type sensors 2222SB Extension Cable For use with all LI COR ter restrial type sensors Available in 15 2 m 50 ft 30 4 m 100 ft or custom lengths to 304 m 1000 ft 216 Replacement Batt...

Страница 8: ...7 2 Operation 2 1 Using the Keypad The LI 189 utilizes a 5 key keypad below which functions as follows HOLD Model LI 189 Quantum Radiometer Photometer ON OFF MULT UNITS CALIBRATE ON Power ON...

Страница 9: ...isplay until the HOLD key is pressed again MULT Used to enter the sensor calibration multi plier When MULT is pressed the prompt CAL is displayed to indicate that the LI 189 is in calibration mode rat...

Страница 10: ...t The LI 189 measures the current output of the sensor and converts the measured current to units of radiation In order to make this conversion the LI 189 uses the sensor Calibration Multiplier The Ca...

Страница 11: ...he serial number of the sensor and the date of its most recent cali bration MULT tcoff 0 0036 Units mol s 1 m 2 per A SERIAL NO CAL DATE DD MM YR For the LI 192SA and LI 193SA Underwater Quantum Senso...

Страница 12: ...on the certificate of calibration EXAMPLE Calculate the multiplier for a LI 190SB Quantum sensor with a calibration constant of 8 0 Amps 1000 mol s 1 m 2 Multiplier 1 1000 8 s m Amps 1 2 mol 125 0 1 m...

Страница 13: ...sor type Readings will be incorrect if the Units Label does not match the sensor type No units conversions are performed see Section 2 4 below Sensor Type Units Label Readout Units Quantum Pyranometer...

Страница 14: ...100 1 the resulting error will be 0 1 LI 189 Top Calibration Screw BNC Connection Figure 2 1 Location of calibration screw for setting calibration multiplier NOTE If a single LI COR radiation sensor...

Страница 15: ...alibration Multiplier must be entered in the same units as those you wish to display To convert lux to footcandles or vice versa use the following conversion factors 1 lux 0 0929 fc or 1 fc 10 764 lux...

Страница 16: ...e the 4 screws from the corners of the LI 189 back panel 2 Locate the two units jumpers on the circuit board see Figure 2 2 3 Carefully remove one or both of these jumpers by pulling straight up with...

Страница 17: ...Configuration 16 Figure 2 2 Location of jumpers for changing default power up units...

Страница 18: ...4 P1 1 4 5 6 3 2 1 4 P1 1 4 5 6 3 2 1 4 P1 1 4 5 6 3 2 1 4 P1 1 4 5 6 3 2 1 mol s 1 m 2 Quantum W m 2 Pyranometer footcandles Photometric lux Photometric Figure 2 3 Position of jumpers to change defau...

Страница 19: ...there is less than 20 hours of battery life remaining The battery should be replaced immediately after the LO BAT message is displayed to en sure reliable operation The battery compartment is accessed...

Страница 20: ...s 55 to 60 C 0 to 90 RH non condensing Display 4 1 2 digit custom LCD display Updated every 0 6 seconds Keypad Sealed 5 key tactile response keypad Battery Life 200 hours minimum continuous operation...

Страница 21: ...Type Quantum Radiometric Photometric Range Resolution 0 199 mol s 1 m 2 1999 19999 0 19 W m 2 199 1999 0 1999 lux 19999 lux 0 199 klux 0 199 fc 1999 19999 0 01 mol s 1 m 2 0 1 1 0 001 W m 2 0 01 0 1...

Страница 22: ...022 1017 photons s 1 m 2 6 022 1017 quanta s 1 m 2 6 022 1013 quanta s 1 cm 2 Radiometric 1 W m 2 1 433 10 3 cal cm 2 min 1 1 433 10 3 langley min 1 0 100 mW cm 2 100 W cm 2 1 0 J s 1 m 2 1000 erg s...

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